Use the following problem statement to answer questions 5-8. John rents a tractor to contractors and walk-In customers. He has prepared a forecast for weeks 4 through 6. The actual demands of the tractor and the forecasts made for each of the last 3 weeks are shown in the table below. Round to four decimal places. What is the absolute forecast error for week 4 ? \begin{tabular}{|l|} \hline 3.0000 \\ \hline 4.0000 \\ \hline 7.0000 \\ \hline 9.0000 \\ \hline 10.0000 \\ \hline \end{tabular} What is the value of MAD? \begin{tabular}{|l|} \hline 3.8169 \\ \hline 4.0000 \\ \hline 5.6667 \\ \hline 13.4260 \\ \hline 35.0000 \\ \hline \end{tabular} Question 7 What is the value of MSE? What is the squared error for week 5? \begin{tabular}{|l|} \hline 2.0000 \\ \hline 4.0000 \\ \hline 6.0000 \\ \hline 25.0000 \\ \hline 36.0000 \\ \hline \end{tabular}